From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AAE05C433E0 for ; Wed, 1 Jul 2020 08:32:34 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 710732074D for ; Wed, 1 Jul 2020 08:32:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="qdapIMox" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 710732074D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 0CE5F8D001F; Wed, 1 Jul 2020 04:32:34 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 057A18D0012; Wed, 1 Jul 2020 04:32:33 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id E60C88D001F; Wed, 1 Jul 2020 04:32:33 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0254.hostedemail.com [216.40.44.254]) by kanga.kvack.org (Postfix) with ESMTP id CC72D8D0012 for ; Wed, 1 Jul 2020 04:32:33 -0400 (EDT) Received: from smtpin25.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 876D2180AD801 for ; Wed, 1 Jul 2020 08:32:33 +0000 (UTC) X-FDA: 76988840586.25.chess26_42090e226e7f Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin25.hostedemail.com (Postfix) with ESMTP id 5948C1804E3A1 for ; Wed, 1 Jul 2020 08:32:33 +0000 (UTC) X-HE-Tag: chess26_42090e226e7f X-Filterd-Recvd-Size: 2845 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf39.hostedemail.com (Postfix) with ESMTP for ; Wed, 1 Jul 2020 08:32:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=vXiGSDx0OBTNUoDDVLCHJpE3R5npVOLQYlpMjYD89gk=; b=qdapIMox4Ek2eTE/n0txbbOjGF oJGKiOEgDQ9amafICkn7wMpGQazpixnCsCP9vzB1sWllWfYlQ8DIw/BDrv8it538xchboPP1a3fnT /r7lFtLJtFEe6qnkJAw62zmPT8rzrymyJ0nyAnw3cv66pExz0H6f2mtFbMKtbsSNR4N0LR36rhtwO F0i0ZUtDzzu+A9TrM/ZBHha+soKQAt4lO4WQQDJtMr2tjHFNu5+PkR/hO/DfBja+fSrsZGFpUIUZL IBFfzOqiowRXWGc4J2ORzoUaahAdW3PFVchNzsU3fVXrakWnQC9lWtXr6awjsuselgLhI1YRCo/YC rWe3CgMQ==; Received: from hch by casper.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1jqYAK-0006UI-BJ; Wed, 01 Jul 2020 08:32:24 +0000 Date: Wed, 1 Jul 2020 09:32:24 +0100 From: Christoph Hellwig To: Eric Sandeen Cc: Christoph Hellwig , Eric Sandeen , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Jonathan Corbet , cgroups@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-xfs Subject: Re: [PATCH] doc: cgroup: add f2fs and xfs to supported list for writeback Message-ID: <20200701083224.GI20101@infradead.org> References: <20200630054217.GA27221@infradead.org> <59265a9d-ee0f-4432-3f86-00d076aeb8e8@sandeen.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <59265a9d-ee0f-4432-3f86-00d076aeb8e8@sandeen.net> X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html X-Rspamd-Queue-Id: 5948C1804E3A1 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam01 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Tue, Jun 30, 2020 at 08:59:34AM -0500, Eric Sandeen wrote: > On 6/30/20 12:42 AM, Christoph Hellwig wrote: > > On Mon, Jun 29, 2020 at 02:08:09PM -0500, Eric Sandeen wrote: > >> f2fs and xfs have both added support for cgroup writeback: > >> > >> 578c647 f2fs: implement cgroup writeback support > >> adfb5fb xfs: implement cgroup aware writeback > >> > >> so add them to the supported list in the docs. > >> > >> Signed-off-by: Eric Sandeen > >> --- > >> > >> TBH I wonder about the wisdom of having this detail in > >> the doc, as it apparently gets missed quite often ... > > > > I'd rather remove the list of file systems. It has no chance of > > staying uptodate. > > Is there any way for a user to know whether a filesytem does or doesn't > support it, in practice? git-grep SB_I_CGROUPWB